Photomontage

Photomontage of 16 photographs that have been manipulated digitally in Photoshop to create the illusion of a landscape that does not actually exist

The original background image

A photomontage is an image made of two or more photographs. It is made by cutting and joining the photographs together into an illusion of subject that is not real. A similar method is used today with digital photography, using image-editing software.^[1]

Photomontage can also mean the way of making a photomontage.